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| bio | website | danganothererror.wordpress.co… |
|---|---|---|
| location | Ljubljana, Slovenia | |
| age | 29 | |
| visits | member for | 2 years, 3 months |
| seen | May 14 at 14:06 | |
| stats | profile views | 56 |
I'm a biologist, mostly working in theoretical aspects of animal populations as well as solving 1001 other little problems. I spend my days in the coding dungeon and my tool of trade is R. I find it very useful for running simulations, doing data manipulation, statistics and shooting oneself in the foot (fortunes() pun intended). I am no stranger to field biology, where I mostly work with plants, butterflies and hoverflies.
I am also a PhD candidate in biostatistics at University of Ljubljana. I work with capture-mark recapture techniques and I fancy simulations, among others.
http://niphargus.info
http://metulji.biologija.org
http://danganothererror.wordpress.com
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May 13 |
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How to extract values from rasters at location of points in R? What about something along the lines of cbind(coordinates(presencias), variables_presencia)? You can then convert to SPDF using coordinates(result) <- ~ X + Y and you can use the plethora of methods designed for spatial objects again. |
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May 13 |
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How to extract values from rasters at location of points in R? Shouldn't the values correspond to the coordinates of your presencias? |
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Jan 27 |
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How to get the second nearest neighbor between two point patterns in R? Would nndist and nnwhich also be up for this task? Just noticed these two functions on the r-sig-geo list today... |
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Oct 24 |
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How do I randomly alter a raster map of habitat types? Have you looked at the raster package yet? It's got a lot of tools to work with raster (noo, rly?) data. |
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Oct 7 |
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relationship between sp package in R; mapwindow; ArcGIS/Quantum GIS Have you considered SAGA-GIS? It hooks up to R pretty easily. |
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Sep 21 |
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Problems with NA values when reading .DEM file with R 'raster' package in Windows I got different results in different versions of raster (see my comments above) so I'm not totally convinced it's GDAL per se. |
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Sep 21 |
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Problems with NA values when reading .DEM file with R 'raster' package in Windows Loaded GDAL runtime: GDAL 1.7.2, released 2010/04/23 |
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Sep 21 |
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Problems with NA values when reading .DEM file with R 'raster' package in Windows I got different values on raster_1.8-12 (but identical to yours on 1.9-12) on winXP. |
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Sep 21 |
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Problems with NA values when reading .DEM file with R 'raster' package in Windows Can you include your sessionInfo() in your post? |
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Feb 10 |
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find the centroid of a cluster of points Too bad I didn't save the random seed generator number... |
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Feb 10 |
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find the centroid of a cluster of points @whuber For this case, the median and mean centroids overlap. I will leave the figure but will modify the R code to reflect the correct answer. |
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Feb 10 |
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find the centroid of a cluster of points This is getting more and more interesting. Thank you for your answers. I'm looking into the matter. |
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Feb 10 |
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find the centroid of a cluster of points I've updated my question to reflect your answer. |
